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Diffstat (limited to 'src/glx/x11/indirect_vertex_program.c')
-rw-r--r--src/glx/x11/indirect_vertex_program.c273
1 files changed, 273 insertions, 0 deletions
diff --git a/src/glx/x11/indirect_vertex_program.c b/src/glx/x11/indirect_vertex_program.c
new file mode 100644
index 0000000..5383dcc
--- /dev/null
+++ b/src/glx/x11/indirect_vertex_program.c
@@ -0,0 +1,273 @@
+/*
+ * (C) Copyright IBM Corporation 2005
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * IBM,
+ * AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <inttypes.h>
+#include <GL/gl.h>
+#include "indirect.h"
+#include "glxclient.h"
+#include "indirect_vertex_array.h"
+#include <GL/glxproto.h>
+
+static void
+do_vertex_attrib_enable( GLuint index, GLboolean val )
+{
+ __GLXcontext *gc = __glXGetCurrentContext();
+ __GLXattribute * state = (__GLXattribute *)(gc->client_state_private);
+
+ if ( ! __glXSetArrayEnable( state, GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB,
+ index, val ) ) {
+ __glXSetError(gc, GL_INVALID_ENUM);
+ }
+}
+
+
+void __indirect_glEnableVertexAttribArrayARB( GLuint index )
+{
+ do_vertex_attrib_enable( index, GL_TRUE );
+}
+
+
+void __indirect_glDisableVertexAttribArrayARB( GLuint index )
+{
+ do_vertex_attrib_enable( index, GL_FALSE );
+}
+
+
+static void
+get_parameter( unsigned opcode, unsigned size, GLenum target, GLuint index,
+ void * params )
+{
+ __GLXcontext * const gc = __glXGetCurrentContext();
+ Display * const dpy = gc->currentDpy;
+ const GLuint cmdlen = 12;
+
+ if (__builtin_expect(dpy != NULL, 1)) {
+ GLubyte const * pc = __glXSetupVendorRequest(gc,
+ X_GLXVendorPrivateWithReply,
+ opcode, cmdlen);
+
+ *((GLenum *)(pc + 0)) = target;
+ *((GLuint *)(pc + 4)) = index;
+ *((GLuint *)(pc + 8)) = 0;
+
+ (void) __glXReadReply(dpy, size, params, GL_FALSE);
+ UnlockDisplay(dpy); SyncHandle();
+ }
+ return;
+}
+
+
+void __indirect_glGetProgramEnvParameterfvARB( GLenum target, GLuint index,
+ GLfloat * params )
+{
+ get_parameter( 1296, 4, target, index, params );
+}
+
+
+void __indirect_glGetProgramEnvParameterdvARB( GLenum target, GLuint index,
+ GLdouble * params )
+{
+ get_parameter( 1297, 8, target, index, params );
+}
+
+
+void __indirect_glGetProgramLocalParameterfvARB( GLenum target, GLuint index,
+ GLfloat * params )
+{
+ get_parameter( 1305, 4, target, index, params );
+}
+
+
+void __indirect_glGetProgramLocalParameterdvARB( GLenum target, GLuint index,
+ GLdouble * params )
+{
+ get_parameter( 1306, 8, target, index, params );
+}
+
+
+void __indirect_glGetVertexAttribPointervNV( GLuint index, GLenum pname,
+ GLvoid ** pointer )
+{
+ __GLXcontext * const gc = __glXGetCurrentContext();
+ __GLXattribute * state = (__GLXattribute *)(gc->client_state_private);
+
+ if ( pname != GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB ) {
+ __glXSetError( gc, GL_INVALID_ENUM );
+ }
+
+ if ( ! __glXGetArrayPointer( state, GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB,
+ index, pointer ) ) {
+ __glXSetError( gc, GL_INVALID_VALUE );
+ }
+}
+
+
+/**
+ * Get the selected attribute from the vertex array state vector.
+ *
+ * \returns
+ * On success \c GL_TRUE is returned. Otherwise, \c GL_FALSE is returned.
+ */
+static GLboolean
+get_attrib_array_data( __GLXattribute * state, GLuint index, GLenum cap,
+ GLintptr * data )
+{
+ GLboolean retval = GL_FALSE;
+ const GLenum attrib = GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB;
+
+ switch( cap ) {
+ case GL_VERTEX_ATTRIB_ARRAY_ENABLED_ARB:
+ retval = __glXGetArrayEnable( state, attrib, index, data );
+ break;
+
+ case GL_VERTEX_ATTRIB_ARRAY_SIZE_ARB:
+ retval = __glXGetArraySize( state, attrib, index, data );
+ break;
+
+ case GL_VERTEX_ATTRIB_ARRAY_STRIDE_ARB:
+ retval = __glXGetArrayStride( state, attrib, index, data );
+ break;
+
+ case GL_VERTEX_ATTRIB_ARRAY_TYPE_ARB:
+ retval = __glXGetArrayType( state, attrib, index, data );
+ break;
+
+ case GL_VERTEX_ATTRIB_ARRAY_NORMALIZED_ARB:
+ retval = __glXGetArrayNormalized( state, attrib, index, data );
+ break;
+ }
+
+
+ return retval;
+}
+
+
+static void get_vertex_attrib( __GLXcontext * gc, unsigned vop,
+ GLuint index, GLenum pname,
+ xReply * reply )
+{
+ Display * const dpy = gc->currentDpy;
+ GLubyte * const pc = __glXSetupVendorRequest(gc,
+ X_GLXVendorPrivateWithReply,
+ vop, 8);
+
+ *((uint32_t *)(pc + 0)) = index;
+ *((uint32_t *)(pc + 4)) = pname;
+
+ (void) _XReply( dpy, reply, 0, False );
+}
+
+
+void __indirect_glGetVertexAttribivARB( GLuint index, GLenum pname,
+ GLint * params )
+{
+ __GLXcontext * const gc = __glXGetCurrentContext();
+ Display * const dpy = gc->currentDpy;
+ __GLXattribute * state = (__GLXattribute *)(gc->client_state_private);
+ xGLXSingleReply reply;
+
+
+ get_vertex_attrib( gc, 1303, index, pname, (xReply *) & reply );
+
+ if ( reply.size != 0 ) {
+ if ( ! get_attrib_array_data( state, index, pname, params ) ) {
+ if (reply.size == 1) {
+ *params = (GLint) reply.pad3;
+ }
+ else {
+ _XRead(dpy, (void *) params, 4 * reply.size);
+ }
+ }
+ }
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+}
+
+
+void __indirect_glGetVertexAttribfvARB( GLuint index, GLenum pname,
+ GLfloat * params )
+{
+ __GLXcontext * const gc = __glXGetCurrentContext();
+ Display * const dpy = gc->currentDpy;
+ __GLXattribute * state = (__GLXattribute *)(gc->client_state_private);
+ xGLXSingleReply reply;
+
+
+ get_vertex_attrib( gc, 1302, index, pname, (xReply *) & reply );
+
+ if ( reply.size != 0 ) {
+ GLintptr data;
+
+
+ if ( get_attrib_array_data( state, index, pname, & data ) ) {
+ *params = (GLfloat) data;
+ }
+ else {
+ if (reply.size == 1) {
+ (void) memcpy( params, & reply.pad3, sizeof( GLfloat ) );
+ }
+ else {
+ _XRead(dpy, (void *) params, 4 * reply.size);
+ }
+ }
+ }
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+}
+
+
+void __indirect_glGetVertexAttribdvARB( GLuint index, GLenum pname,
+ GLdouble * params )
+{
+ __GLXcontext * const gc = __glXGetCurrentContext();
+ Display * const dpy = gc->currentDpy;
+ __GLXattribute * state = (__GLXattribute *)(gc->client_state_private);
+ xGLXSingleReply reply;
+
+
+ get_vertex_attrib( gc, 1301, index, pname, (xReply *) & reply );
+
+ if ( reply.size != 0 ) {
+ GLintptr data;
+
+
+ if ( get_attrib_array_data( state, index, pname, & data ) ) {
+ *params = (GLdouble) data;
+ }
+ else {
+ if (reply.size == 1) {
+ (void) memcpy( params, & reply.pad3, sizeof( GLdouble ) );
+ }
+ else {
+ _XRead(dpy, (void *) params, 8 * reply.size);
+ }
+ }
+ }
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+}